Light List

Question 1

The light list lists every ATON maintianed or under the authority of the USCG.

Answer 1

Some buoys without lateral significance, such as special purpose, anchorage, fish net, or dredging are not included The correct answer is: False

Question 2

Private ATON which are legally required to be established by the USCG 1. Class I 2. Class II 3. Class III

Answer 2

The correct answer is: Number 1 Class I

Question 3

Private ATON located in waters used by general navigation. 1. Class I 2. Class II 3. Class III

Answer 3

The correct answer is: Number 2 Class II

Question 4

Private ATON located in waters not ordinarily used by general navigation. 1. Class I 2. Class II 3. Class III

Answer 4

The correct answer is: Number 3 Class III

Question 5

ATON are arranged _____ in geographic order. 1. clockwise 2. counterclockwise

Answer 5

If there is no route leading to seaward, ATON are generally arranged clockwise around land masses. The correct answer is: Number 1 clockwise

Question 6

RACONs are listed…. 1. BOLD UPPERCASE 2. Bold Lowercase 3. UPPER CASE 4. Italicized 5. Lowercase

Answer 6

The correct answer is: Number 1 BOLD UPPERCASE

Question 7

Seacoast and Secondary Lights are listed…. 1. BOLD UPPERCASE 2. Bold Lowercase 3. UPPER CASE 4. Italicized 5. Lowercase

Answer 7

The correct answer is: Number 2 Bold Lowercase

Question 8

Sound Signals are listed…. 1. BOLD UPPERCASE 2. Bold Lowercase 3. UPPER CASE 4. Italicized 5. Lowercase

Answer 8

The correct answer is: Number 2 Bold Lowercase

Question 9

River, Harbor and Other Lights are listed…. 1. BOLD UPPERCASE 2. Bold Lowercase 3. UPPER CASE 4. Italicized 5. Lowercase

Answer 9

The correct answer is: Number 3 UPPER CASE

Question 10

Lighted Buoys are listed…. 1. BOLD UPPERCASE 2. Bold Lowercase 3. UPPER CASE 4. Italicized 5. Lowercase

Answer 10

The correct answer is: Number 4 Italicized

Question 11

Daybeacons and Unlighted Buoys are listed…. 1. BOLD UPPERCASE 2. Bold Lowercase 3. UPPER CASE 4. Italicized 5. Lowercase

Answer 11

The correct answer is: Number 5 Lowercase

Question 12

The notice to mariners contains all available chart correction information.

Answer 12

Some small craft local information is only available in the LNM. The correct answer is: False

Question 13

Weekly Notice to Mariners are prepared by jointly by the USCG and _____ and ____.

Answer 13

NGA and NOS

Question 14

Charts and Coast PIlots are published by _____. 1. NOS 2. NOAA 3. USCG 4. NIMA

Answer 14

The correct answer is: Number 1 NOS

Question 15

All U.S. waters are covered by IALA-B.

Answer 15

Possessions West of the Dateline and south of 10 N are IALA-A The correct answer is: False

Question 16

A white buoy with a open faced orange diamond signifies…. 1. Danger 2. Exclusion Zone 3. Certain Operating Restrictions

Answer 16

The correct answer is: Number 1 Danger

Question 17

A white buoy with an orange vertical diamond having a cross centered in it signifies…. 1. Danger 2. Exclusion Zone 3. Certain Operating Restrictions

Answer 17

The correct answer is: Number 2 Exclusion Zone

Question 18

A white buoy with an orange circular shape signifies…. 1. Danger 2. Exclusion Zone 3. Certain Operating Restrictions

Answer 18

The correct answer is: Number 3 Certain Operating Restrictions

Question 19

An ATON that is permenently fixed to the earth’s surface is a ______.

Answer 19

beacon

Question 20

Ice over the lights of an ATON can make a colored light appear _____ in color.

Answer 20

White

Question 21

The observed intensity of a light can be used as a reliable indicator of distance.

Answer 21

The correct answer is: False

Question 22

Sectors in the light list are bearings from the light to the observer.

Answer 22

They are bearings from the observer to the light. The correct answer is: False

Question 23

Sectors in the light list are bearings from the light to the observer.

Answer 23

They are bearings from the observer to the light. The correct answer is: False

Question 24

Some atmospheric conditions such as haze or smoke can give a white light a ___ hue.

Answer 24

You could have answered with any of the following: 1. red

Question 25

____ sectors are use to mark obstruction areas.

Answer 25

You could have answered with any of the following: 1. red

Question 26

The cut-off of light sectors are accurate enough for navigation.

Answer 26

They are approximate. The correct answer is: False

Question 27

Oil well structures are listed in the light list.

Answer 27

The correct answer is: False

Question 28

Only ATON with red or green lights have lateral significance.

Answer 28

The correct answer is: True

Question 29

Lights with lateral significance may display lights with _____ rhythems 1. flashing 2. quick 3. isophase 4. occulting 5. AlWR 6. Group Flashing

Answer 29

The correct answer is: Number 1 flashing and Number 2 quick and Number 3 isophase and Number 4 occulting

Question 30

Pillar, Spar, Lighted, Sound in themselves convey lateral significance.

Answer 30

Number, color, light charactaristics convey meaning. The correct answer is: False

Question 31

Sound signals activated by keying a VHF radio normally operate for _____ minutes.

Answer 31

You could have answered with any of the following: 1. 30 2. thrity

Question 32

Clearance gauges are located on the _____ bridge pier. 1. left 2. right

Answer 32

The correct answer is: Number 2 right

Question 33

Which branch of the military maintains GPS 1. USN 2. USAF 3. USMC 4. USA 5. USCG

Answer 33

The correct answer is: Number 2 USAF

Question 34

A minimum of ____ GPS satelites are needed for a two dimentional fix.

Answer 34

You could have answered with any of the following: 1. three 2. 3

Question 35

DGPS is accurate _____. 1. At any distance when in range of the transmitter 2. When closer to the transmitter 3. When at least 5nm from the transmitter

Answer 35

The correct answer is: Number 2 When closer to the transmitter

Question 36

Flashing lights do not normally exceed ____ flashes per minute

Answer 36

You could have answered with any of the following: 1. thrity 2. 30

Question 37

Special flashing lights may have fixed or flashing light rhythm, but ____ is prefered. 1. fixed 2. flashing

Answer 37

The correct answer is: Number 2 flashing

Question 38

Information and regulatory marks may show a white light with any rhythm but _____ 1. Isophase 2. Flashing 3. Flashing (2) 4. Morse 'A' 5. Quick Flashing 6. Occulting

Answer 38

The correct answer is: Number 3 Flashing (2) and Number 4 Morse 'A' and Number 5 Quick Flashing

Question 39

At locations where a distinct caution signal is needed (sharp turns, obstructions) ______ is used. 1. Isophase 2. Flashing 3. Flashing (2) 4. Morse 'A' 5. Quick Flashing 6. Occulting

Answer 39

The correct answer is: Number 5 Quick Flashing

Question 40

Only lateral ATON are numbered

Answer 40

The correct answer is: True

Question 41

Numbers used with lateral ATON may have a letter as a _______. 1. prefix 2. suffix

Answer 41

The correct answer is: Number 2 suffix

Question 42

The letter 'C' in a dayboard description signifies a ______.

Answer 42

You could have answered with any of the following: 1. crossing

Question 43

The letter 'J' in a dayboard description signifies a ______.

Answer 43

You could have answered with any of the following: 1. junction

Question 44

The letter 'K' in a dayboard description signifies a ______.

Answer 44

You could have answered with any of the following: 1. range

Question 45

The letter 'M' in a dayboard description signifies a ______.

Answer 45

You could have answered with any of the following: 1. safe water

Question 46

The letter 'N' in a dayboard description signifies a ______.

Answer 46

No lateral significance

Question 47

The letter 'S' in a dayboard description signifies a ______.

Answer 47

You could have answered with any of the following: 1. square

Question 48

The letter 'T' in a dayboard description signifies a ______.

Answer 48

You could have answered with any of the following: 1. triangle

Question 49

The characteristics of a light can appear to change as the distance to the light changes.

Answer 49

The correct answer is: True

Question 50

Ranges may only display white lights

Answer 50

The correct answer is: False

Question 51

If lateral lights or marks are used to mark a bridge opening then the adjacent piers are marked with ______ lights. 1. white 2. yellow 3. flashing 4. red

Answer 51

The correct answer is: Number 2 yellow

Question 52

If lateral marks are used to mark a bridge span, a safe water mark may be used. Its light rhythm will be _______. 1. Occulting 2. Flashing 3. Morse 'A' 4. Morse 'B'

Answer 52

The correct answer is: Number 1 Occulting

Question 53

The draw span of a floating bridge may be marked with a yellow diamond and a yellow light with a _____ rhythm. 1. Occulting 2. Flashing 3. Morse 'A' 4. Morse 'B'

Answer 53

The correct answer is: Number 4 Morse 'B'

Question 54

Clearance gauges at a span indicate.... 1. available depth of water 2. available vertical clearance

Answer 54

The correct answer is: Number 2 available vertical clearance

Question 55

RACONs may only be used on non-laterally significant ATON.

Answer 55

They may be used on both lateral and non-lateral aids. The correct answer is: False

Question 56

All RACONs on operate only in the 'X-band'

Answer 56

They all operate in the 'X-band' and some operate in the 'S-band' also. The correct answer is: False

Question 57

The nominal range of a Racon is ____ to ____ nautical miles. 1. 4-6 2. 6-8 3. 7-9 4. 8-10

Answer 57

They may be seen 17nm when mounted at 50'. The correct answer is: Number 2 6-8

Question 58

The use of FTC will ______ the return seen from a RACON. 1. increase 2. decrease

Answer 58

The correct answer is: Number 2 decrease

Question 59

RACONs can be measured presisely at the point which the RACON begins.

Answer 59

Normally about 50 meters from the actual ATON, due to response delay. The correct answer is: False

Question 60

GPS consists of a network of _____ satelites.

Answer 60

You could have answered with any of the following: 1. 24 2. twenty four

Question 61

GPS provides horizontal accuracy of ____ meters ____% of the time 1. 15, 90 2. 16, 90 3. 17, 95 4. 18, 95

Answer 61

The correct answer is: Number 3 17, 95

Question 62

DGPS range is 40 - ____ nautical miles

Answer 62

You could have answered with any of the following: 1. 300

Question 63

DGPS range is ____ - 300 nautical miles

Answer 63

You could have answered with any of the following: 1. 40 2. fourty

Question 64

DGPS operates at 285 to ___ kHz

Answer 64

285-325 You could have answered with any of the following: 1. 325

Question 65

DGPS operates at ___ to 325 kHz

Answer 65

285-325 You could have answered with any of the following: 1. 285

Question 66

DGPS offers accuracy of 1-____ meters

Answer 66

You could have answered with any of the following: 1. five 2. 5

Question 67

Uses electricity of compressed air to vibrate a disc diaphragm.

Answer 67

Horn

Question 68

A group of saucer shaped bells used to produce different tones.

Answer 68

Gong

Question 69

Sound produced by means of a slotted piston moved back and forth by compressed air.

Answer 69

Diaphone If 'two-tone' the second tone is lower pitched

Question 70

Sound produced by hammers operated by electricity or wave movement.

Answer 70

Bell

Question 71

Sound signal which uses electricity or compressed air to actuate either a disc or cup shaped rotor.

Answer 71

Siren

Question 72

A wave actuated sound signal which produces sound by emitting compressed air through a circumferential slot into a cylindrical bell chamber.

Answer 72

Whistle

Question 73

The greatest range that a light can be expected to be seen given its nominal range and meteorological conditions.

Answer 73

Luminous Range

Question 74

The greatest range an object can be seen due to the curvature of the earth.

Answer 74

Geographic Range

Question 75

A low intensity light that may be mounted on the structure of another light to enable the mariner to keep the latter light in sight when passing out of its beam during transit.

Answer 75

Passing Light

Question 76

A light which successive groups in a period have different number of flashes.

Answer 76

Composite Group Flashing Fl (2+1)

Question 77

A light which successive groups in a period have different number of eclipses.

Answer 77

Composite Group Occulting Oc (2+1)

Question 78

A light in which a group of eclipses, specified in numbers, is regularly repeated.

Answer 78

Group-Occulting Oc (2)

Question 79

A light in which a group of flashes, specified in numbers, is regularly repeated.

Answer 79

Group-Flashing Fl (2)